Home / 223,703,569.35-308,720,503.53-124,584,316.47

Finding the Fourth Proportional to 223,703,569.35, 308,720,503.53 and 124,584,316.47

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Solution

The fourth proportional to 223,703,569.35, 308,720,503.53 and 124,584,316.47 is: 171,931,690.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,703,569.35 : 308,720,503.53 = 124,584,316.47 : x
  2. Step 2: Convert to fraction form
    223,703,569.35/308,720,503.53 = 124,584,316.47/x
  3. Step 3: Cross multiply
    223,703,569.35x = 308,720,503.53 × 124,584,316.47
  4. Step 4: Simplify right side
    223,703,569.35x = 38,461,732,912,559,272
  5. Step 5: Solve for x
    x = 38,461,732,912,559,272/223,703,569.35
  6. Step 6: Final answer
    x = 171,931,690.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.